61448648 has 16 divisors (see below), whose sum is σ = 116936880. Its totient is φ = 30265488.

The previous prime is 61448633. The next prime is 61448657. The reversal of 61448648 is 84684416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56786 + ... + 57857.

It is an arithmetic number, because the mean of its divisors is an integer number (7308555).

Almost surely, 2^61448648 is an apocalyptic number.

It is an amenable number.

61448648 is a deficient number, since it is larger than the sum of its proper divisors (55488232).

61448648 is a wasteful number, since it uses less digits than its factorization.

61448648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114716 (or 114712 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 61448648 is about 7838.9188029983. The cubic root of 61448648 is about 394.6124447413.

The spelling of 61448648 in words is "sixty-one million, four hundred forty-eight thousand, six hundred forty-eight".